plutonium
n[U]
(chemistry 化) artificially produced radioactive metallic element, derived from uranium and used in nuclear reactors and nuclear weapons 金不. =>App 10 见附录10.
🗣️ 情景例句
I'll pick you up.
我去接你。
I ought to tell him the whole story.
我应该告诉他整个事情的始末。
Tom and Mary congratulated us on the birth of our daughter.